Grey's Anatomy season 6 episodes

The sixth season of the American television medical drama Grey's Anatomy, commenced airing on the American Broadcasting Company (ABC) in the United States on September 24, 2009, and concluded on May 20, 2010. The season was produced by ABC Studios, in association with Shondaland Production Company and The Mark Gordon Company; the showrunner being Shonda Rhimes and head writer Krista Vernoff. Actors Ellen Pompeo, Sandra Oh, Katherine Heigl, and Justin Chambers reprised their roles as surgical residents Meredith Grey, Cristina Yang, Izzie Stevens, and Alex Karev, respectively. Heigl was released from her contract in the middle of the season, while T. R. Knight did not appear as George O'Malley, because Knight was released from his contract at the conclusion of season five. Main cast members Patrick Dempsey, Chandra Wilson, James Pickens, Jr., Sara Ramirez, Eric Dane, Chyler Leigh, and Kevin McKidd also returned, while previous recurring-star Jessica Capshaw was promoted to a series-regular, and Kim Raver was given star-billing after the commencement of the season.

The sixth season finale of Grey's Anatomy consisted of two parts, "Sanctuary" and "Death and All His Friends". Both parts, encompassing the twenty-third and twenty-fourth episodes of the season, were written by Shonda Rhimes and originally broadcast on the American Broadcasting Company (ABC) in the United States on May 20, 2010. The first hour gained 13 million viewers and the second hour had an audience of 16.13 million viewers. The two-parter was praised by television critics for its writing, and the performances of the cast. It went on to be hailed as one of the best episodes of the series.

"Invest in Love" is the eighth episode of the sixth season of the American television medical drama Grey's Anatomy, and the 110th episode overall. Written by Stacy McKee and directed by Jessica Yu, the episode aired on the American Broadcasting Company (ABC) in the United States on November 5, 2009.

"I Saw What I Saw" is the sixth episode of the sixth season of the American television medical drama Grey's Anatomy and the show's 108th episode overall. Written by Peter William Harper and directed by Allison Liddi-Brown, the episode aired on the American Broadcasting Company (ABC) in the United States on October 22, 2009.

"Goodbye" is the second episode of the sixth season of the American television medical drama Grey's Anatomy, and the show's 104th episode overall. Written by Krista Vernoff and directed by Bill D'Elia, the episode was originally broadcast on the American Broadcasting Company (ABC) in the United States on September 24, 2009.

"Good Mourning" is the first episode and the season premiere of the sixth season of the American television medical drama Grey's Anatomy, and the show's 103rd episode overall. Written by Krista Vernoff and directed by Ed Ornelas, the episode aired on the American Broadcasting Company (ABC) in the United States on September 24, 2009.

"Shiny Happy People" is the twenty-second episode of the sixth season of the American television medical drama Grey's Anatomy,, and the 124th episode overall. Written by Zoanne Clack and Peter Nowalk and directed by Ed Ornelas, the episode aired on the American Broadcasting Company (ABC) in the United States on May 13, 2010.

"I Like You So Much Better When You're Naked" is the twelfth episode of the sixth season of the American television medical drama Grey's Anatomy, and the show's 114th episode overall. Written by Tony Phelan and Joan Rater, and directed by Donna Deitch, the episode aired on the American Broadcasting Company in the United States on January 21, 2010.

"Give Peace a Chance" is the seventh episode of the sixth season of the American television medical drama Grey's Anatomy, and the 109th episode overall. Written by Peter Nowalk and directed by Chandra Wilson, the episode aired on the American Broadcasting Company (ABC) in the United States on October 29, 2009.

"Invasion" is the fifth episode of the sixth season of the American television medical drama Grey's Anatomy, the show's 107th episode overall, and the first of a two-part patient crossover event with Private Practice. It was written by Mark Wilding and directed by Tony Phelan. The episode was originally broadcast on the American Broadcasting Company (ABC) in the United States on October 15, 2009. In the episode, the physicians of Seattle Grace Hospital must learn to co-operate with new Mercy West residents, who do not act in a kind manner to them. Other storylines include Callie Torres (Sara Ramirez)'s father returning to the hospital to condemn her bisexuality, and Izzie Stevens (Katherine Heigl) putting her career into jeopardy after administering the wrong treatment to a patient.